Last I checked, Guts was sucked into Tobi's Sharingan weirdspace. So... he's either being teleported to another world or is currently unreachable.

[quote=@IncredibleBee]
"Z-Zetsu!" he shouted. "MANGEKYO SHARINGAN: KAMUI." A shadowy energy spiraled forth from the orange mask, and consumed Guts.

The Black Swordsman found himself in a new world, one pitch black with a floor made of white cubes. This wasn't good. It reminded him of a much tamer eclipse.
[/quote]